Case T-535/20: Judgment of the General Court of 19 May 2021 — Müller v EUIPO (TIER SHOP) (EU trade mark — Application for EU figurative mark TIER SHOP — Absolute grounds for refusal — Descriptive character — No distinctive character — Article 7(1)(b) and (c) of Regulation (EU) 2017/1001 — Interest in bringing proceedings — Obligation to state reasons — Article 72(4) and the first sentence of Article 94(1) of Regulation 2017/1001)